Paramount Pictures have unveiled the first image of Charlize Theron in Jason Reitman’s [Up in the Air] upcoming Young Adult [via /Film]. Theron plays 'Mavis Gary', a divorced successful novelist who moves back home to pursue an old flame who just had a baby. Young Adultalso stars Patton Oswalt, Patrick Wilson & Elizabeth Reaser with a script by Diablo Cody. The film hits theaters December 16th 2011. Hit the jump for the details.

Synopsis: "Academy Award® winner Charlize Theron plays Mavis Gary, a writer of teen literature who returns to her small hometown to relive her glory days and attempt to reclaim her happily married high school sweetheart (Patrick Wilson). When returning home proves more difficult than she thought, Mavis forms an unusual bond with a former classmate (Patton Oswalt) who hasn’t quite gotten over high school, either."